/*
 * Copyright 2011 Eike Kettner
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * 	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.eknet.swing.task.impl;

import org.eknet.swing.task.Tracker;

/**
 * @author <a href="mailto:eike.kettner@gmail.com">Eike Kettner</a>
 * @since 20.07.11 21:44
 */
public class TrackerImpl<C> implements Tracker<C> {

  private final TaskWorker<?, C> worker;

  public TrackerImpl(TaskWorker<?, C> worker) {
    this.worker = worker;
  }

  @Override
  public void setProgress(int progress) {
    worker.publishProgress(progress);
  }

  @Override
  public void setProgress(int min, int max, int current) {
    if (current <= max && min <= max && current >= min) {
      int distance = max - min;
      if (distance == 0) {
        distance = 1;
      }
      int value = (current * 100) / distance;
      setProgress(value);
    }
  }

  @Override
  public void publish(C... chunks) {
    worker.publishChunks(chunks);
  }

  @Override
  public void setPhase(String phase) {
    worker.setPhase(phase);
  }
}
